| HACKING |
Originally
referred to playing around with computer systems; now often used to indicate
destructive computer activity. |
| HARDWARE
ADDRESS |
The low
usually corresponding to the unique identifier of the network interface
card (NIC). Ethernet addresses are 48 bits. |
| HASH LOOKUP |
Find the
value associated with a specified key in an associative array. |
| HASH TABLE |
A method
used for implementing associative arrays, which allows the keys to be converted
to numbers for internal storage purposes. |
| HIGH LEVEL
DATA LINK CONTROL |
(HDLC)
An international data communication standard. |
| HOME PAGE |
The document
that your World Wide Web browser loads when it starts up. It should have
links to other documents that you use frequently. Also, the main entry point
to a site is sometimes called its home page (the default first page for
that site). |
| HOP COUNT |
The number
of bridges that data crosses in a Token Ring network. |
| HOP-CHECK |
A utility
that allows you to find out how many routers are between your host and another
Internet host. See also traceroute. |
| HOST ADDRESS |
A unique
number assigned to identify a host on the Internet (also called IP address
or dot address). This address is usually represented as four numbers between
1 and 254 and separated by periods, for example, 192.58.107.230. |
| HOST NAME |
A unique
name for a host that corresponds to the host address. |
| HOSTS |
Individual
computers connected to the Internet; see also nodes. |
| HOT LIST |
A list
of your favorite World Wide Web sites that can be accessed quickly by your
WWW browser. |
| HTTP |
(Hypertext
Transport Protocol) The communications protocol that allows WWW hypertext
documents to be retrieved quickly. |
| HYPERLINKS |
The areas
(words or graphics) in an HTML document that cause another document to be
loaded when the user clicks them. |
| HYPERTEXT |
An online
document that has words or graphics containing links to other documents.
Usually, selecting the link area on-screen (with a mouse or keyboard command)
activates these links. |